[jira] Assigned: (LUCENE-2098) make BaseCharFilter more efficient in performance

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-2098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir reassigned LUCENE-2098:
-----------------------------------

    Assignee: Robert Muir

> make BaseCharFilter more efficient in performance
> -------------------------------------------------
>
>                 Key: LUCENE-2098
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2098
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/analyzers
>    Affects Versions: 3.1
>            Reporter: Koji Sekiguchi
>            Assignee: Robert Muir
>            Priority: Minor
>         Attachments: LUCENE-2098.patch, LUCENE-2098.patch
>
>
> Performance degradation in Solr 1.4 was reported. See:
> http://www.lucidimagination.com/search/document/43c4bdaf5c9ec98d/html_stripping_slower_in_solr_1_4
> The inefficiency has been pointed out in BaseCharFilter javadoc by Mike:
> {panel}
> NOTE: This class is not particularly efficient. For example, a new class instance is created for every call to addOffCorrectMap(int, int), which is then appended to a private list. 
> {panel}

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